Keywords: Kumasi; Ghana Reads; BeLL System
|The Electronic Switching System - Bell Telephone Laboratories, Incorporated|
The Electronic Switching System. Trial Installation, Morris, Illinois: General Description. Private Edition. Published April 1960 by Bell Telephone Laboratories, Incorporated in Whippany, New Jersey, USA. Copy #294. "The ESS can diagnose most of its own troubles and can identify the sources of trouble. But it still needs a maintenance staff well trained in the basic principles of the system. This book constitutes part of the educational material required for training such a staff; it is intended...
Keywords: telephone; textbook; bell system; bell telephone laboratories
|Long Distance - Audio Productions|
Keywords: telephones; communication; Bell System; Manifest Destiny; United States expansion
Downloads: 9,341 (8 reviews)
|The Bell System Practices|
The Bell System Practices were a set of documents produced by the American Telephone and Telegraph Company to instruct employees on the proper use and maintenance of all kinds of telephone equipment. As these materials span decades of the history of (what was at the time) the world's largest corporation, the quality varies widely. Some documents are carefully phototypeset originals, some are enlargements from microfilm, and still others are third-generation photocopies of typewritten originals.
Keywords: Bell System; telephone; ATT; American Telegraph and Telephone; phone equipment; manuals